diff options
Diffstat (limited to 'fs/nfs')
-rw-r--r-- | fs/nfs/file.c | 1 | ||||
-rw-r--r-- | fs/nfs/inode.c | 54 | ||||
-rw-r--r-- | fs/nfs/super.c | 2 |
3 files changed, 16 insertions, 41 deletions
diff --git a/fs/nfs/file.c b/fs/nfs/file.c index 5021b75d2d1..86d6b4db109 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -525,6 +525,7 @@ const struct address_space_operations nfs_file_aops = { .direct_IO = nfs_direct_IO, .migratepage = nfs_migrate_page, .launder_page = nfs_launder_page, + .error_remove_page = generic_error_remove_page, }; /* diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 060022b4651..faa091865ad 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -458,49 +458,21 @@ nfs_setattr(struct dentry *dentry, struct iattr *attr) */ static int nfs_vmtruncate(struct inode * inode, loff_t offset) { - if (i_size_read(inode) < offset) { - unsigned long limit; - - limit = current->signal->rlim[RLIMIT_FSIZE].rlim_cur; - if (limit != RLIM_INFINITY && offset > limit) - goto out_sig; - if (offset > inode->i_sb->s_maxbytes) - goto out_big; - spin_lock(&inode->i_lock); - i_size_write(inode, offset); - spin_unlock(&inode->i_lock); - } else { - struct address_space *mapping = inode->i_mapping; + loff_t oldsize; + int err; - /* - * truncation of in-use swapfiles is disallowed - it would - * cause subsequent swapout to scribble on the now-freed - * blocks. - */ - if (IS_SWAPFILE(inode)) - return -ETXTBSY; - spin_lock(&inode->i_lock); - i_size_write(inode, offset); - spin_unlock(&inode->i_lock); + err = inode_newsize_ok(inode, offset); + if (err) + goto out; - /* - * unmap_mapping_range is called twice, first simply for - * efficiency so that truncate_inode_pages does fewer - * single-page unmaps. However after this first call, and - * before truncate_inode_pages finishes, it is possible for - * private pages to be COWed, which remain after - * truncate_inode_pages finishes, hence the second - * unmap_mapping_range call must be made for correctness. - */ - unmap_mapping_range(mapping, offset + PAGE_SIZE - 1, 0, 1); - truncate_inode_pages(mapping, offset); - unmap_mapping_range(mapping, offset + PAGE_SIZE - 1, 0, 1); - } - return 0; -out_sig: - send_sig(SIGXFSZ, current, 0); -out_big: - return -EFBIG; + spin_lock(&inode->i_lock); + oldsize = inode->i_size; + i_size_write(inode, offset); + spin_unlock(&inode->i_lock); + + truncate_pagecache(inode, oldsize, offset); +out: + return err; } /** diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 810770f9681..29786d3b932 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -1711,6 +1711,8 @@ static int nfs_validate_mount_data(void *options, if (!(data->flags & NFS_MOUNT_TCP)) args->nfs_server.protocol = XPRT_TRANSPORT_UDP; + else + args->nfs_server.protocol = XPRT_TRANSPORT_TCP; /* N.B. caller will free nfs_server.hostname in all cases */ args->nfs_server.hostname = kstrdup(data->hostname, GFP_KERNEL); args->namlen = data->namlen; |